Kurt Reed Amundson,Russdon Angold,David Scheinman,Tim Swift,Daniel P Norboe,Robert Moore,Jonathan Beard,Kyle Edelberg
申请号:
US14423302
公开号:
US10352334B2
申请日:
2013.08.27
申请国别(地区):
US
年份:
2019
代理人:
摘要:
The invention is directed to controlling a hydraulic actuation system having at least one degree of freedom, a prime mover, at least one actuation module and a controller, with each actuation module including: an over-center variable displacement pump having a power input connection configured to power the pump from the prime mover and a displacement varying input for varying the displacement of the pump; a displacement varying actuator configured to modulate the displacement varying input of the pump; an output actuator in direct communication with the pump, the output actuator configured to drive a corresponding degree of freedom; and at least one sensor establishing a feedback measurement that represents a force or motion of the output actuator. Based on a value of each feedback measurement, the force or motion of the output actuator is regulated by controlling the prime mover and the displacement actuator for the output actuator.